Hello and welcome to BYC. I can't answer your question, but even if they avoided the water, I'm sure they'd leave you plenty of "little gifts" that you may not appreciate being squished between your toes
I have read of chickens drowning in ponds and watering troughs. If they lean in to have a drink and fall in they won't float for long as their feathers don't have a lot of waterproofing, and they can't swim. I personally wouldn't risk it.
I reckon they would not avoid it; I have ponds and my gals prefer to drink from them than their actual water containers if they have a chance. I agree with the others in that it is better to be safe than sorry.
I do hope you enjoy being a BYC member. There are lots of friendly and very helpful folks here so not only is it overflowing with useful information it is also a great place to make friends and have some fun.
Including your general location on your profile will assist others. Location, climate, season etc can be important factors when members are responding to any questions you may have and vice versa.
BYC has Topic of the Week discussions which I have found to be a great resource, informative and sometimes entertaining; so definitely worth checking out.
If you would like to share Pictures and Stories of your flock, you have come to the right place. BYC’ers never tire of these and do not back away slowly or commence eye rolling when the photo album or home videos come out